Definitions by S.H.R

jailbreak 

To unlock a cell phone from its service provider so that it can be used with other SIM cards from different companies.

To unlock an iphone from AT&T and make it a free bird. Just shove in any GSM tri-band SIM card and you are good to go! thats what you call jailbreak

jailbreak by S.H.R August 4, 2008